JPH0698298A - 適応形補間方法および装置 - Google Patents
適応形補間方法および装置Info
- Publication number
- JPH0698298A JPH0698298A JP5150218A JP15021893A JPH0698298A JP H0698298 A JPH0698298 A JP H0698298A JP 5150218 A JP5150218 A JP 5150218A JP 15021893 A JP15021893 A JP 15021893A JP H0698298 A JPH0698298 A JP H0698298A
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- adjacent
- field
- gradient
- interpolated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S348/00—Television
- Y10S348/91—Flicker reduction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92401745 | 1992-06-22 | ||
DE92401745.2 | 1992-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0698298A true JPH0698298A (ja) | 1994-04-08 |
Family
ID=8211676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5150218A Pending JPH0698298A (ja) | 1992-06-22 | 1993-06-22 | 適応形補間方法および装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5444493A (de) |
JP (1) | JPH0698298A (de) |
CN (1) | CN1036236C (de) |
DE (1) | DE69318216T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1048138C (zh) * | 1994-01-12 | 2000-01-05 | 汤姆森消费电子有限公司 | 用于电视接收机的多方式内插滤波器 |
KR960028124A (ko) * | 1994-12-30 | 1996-07-22 | 이몬 제이. 월 | 필름 소스에 의해 생성된 비디오 필드 식별 방법 및 장치 |
JP3500751B2 (ja) * | 1995-01-20 | 2004-02-23 | ソニー株式会社 | 画像信号処理装置及び撮像装置 |
JPH08317336A (ja) * | 1995-03-15 | 1996-11-29 | Fuji Photo Film Co Ltd | 補間画像データ生成装置および方法 |
US5661525A (en) * | 1995-03-27 | 1997-08-26 | Lucent Technologies Inc. | Method and apparatus for converting an interlaced video frame sequence into a progressively-scanned sequence |
US5850207A (en) * | 1995-11-22 | 1998-12-15 | Cirrus Logic, Inc. | Method and apparatus for minimizing effects of slope overload condition when using differential pulse code modulation scheme |
JP3111028B2 (ja) * | 1996-03-14 | 2000-11-20 | 松下電器産業株式会社 | 画像信号処理装置及び画像信号処理方法 |
US5793435A (en) * | 1996-06-25 | 1998-08-11 | Tektronix, Inc. | Deinterlacing of video using a variable coefficient spatio-temporal filter |
US7215376B2 (en) * | 1997-10-06 | 2007-05-08 | Silicon Image, Inc. | Digital video system and methods for providing same |
US5991464A (en) * | 1998-04-03 | 1999-11-23 | Odyssey Technologies | Method and system for adaptive video image resolution enhancement |
US6587158B1 (en) * | 1998-07-23 | 2003-07-01 | Dvdo, Inc. | Method and apparatus for reducing on-chip memory in vertical video processing |
US6489998B1 (en) | 1998-08-11 | 2002-12-03 | Dvdo, Inc. | Method and apparatus for deinterlacing digital video images |
US6515706B1 (en) * | 1998-09-15 | 2003-02-04 | Dvdo, Inc. | Method and apparatus for detecting and smoothing diagonal features video images |
US20070211167A1 (en) * | 1998-10-05 | 2007-09-13 | Adams Dale R | Digital video system and methods for providing same |
GB9824061D0 (en) * | 1998-11-03 | 1998-12-30 | Snell & Wilcox Ltd | Film sequence detection (nt4) |
US6909469B2 (en) * | 1999-08-11 | 2005-06-21 | Silicon Image, Inc. | Interlace motion artifact detection using vertical frequency detection and analysis |
US6832009B1 (en) * | 1999-09-24 | 2004-12-14 | Zoran Corporation | Method and apparatus for improved image interpolation |
US6867814B2 (en) | 2000-04-18 | 2005-03-15 | Silicon Image, Inc. | Method, system and article of manufacture for identifying the source type and quality level of a video sequence |
KR20040050577A (ko) * | 2002-12-10 | 2004-06-16 | 삼성전자주식회사 | 디인터레이싱 장치 및 방법 |
WO2004082274A1 (ja) * | 2003-03-13 | 2004-09-23 | Matsushita Electric Industrial Co., Ltd. | データ処理装置 |
DE10318620A1 (de) * | 2003-04-24 | 2004-11-25 | Micronas Gmbh | Verfahren und Vorrichtung zur Ermittlung eines Abstandes zwischen einer ersten und zweiten Signalfolge |
KR100568105B1 (ko) * | 2003-10-02 | 2006-04-05 | 삼성전자주식회사 | 에지 기반의 영상 적응형 디인터레이싱 방법 |
GB0500805D0 (en) * | 2005-01-14 | 2005-02-23 | Snell & Wilcox Ltd | Image processing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6130887A (ja) * | 1984-07-23 | 1986-02-13 | Hitachi Ltd | デジタルテレビジヨン受像機の信号変換回路 |
US4723163A (en) * | 1985-12-26 | 1988-02-02 | North American Philips Consumer Electronics Corp. | Adaptive line interpolation for progressive scan displays |
FR2623040B1 (fr) * | 1987-11-09 | 1990-02-09 | France Etat | Procede et dispositif de traitement de signaux d'image a balayage de trame entrelace |
US4941045A (en) * | 1988-10-11 | 1990-07-10 | Scientific-Atlanta, Inc. | Method and apparatus for improving vertical definition of a television signal by scan conversion |
US5027201A (en) * | 1989-12-21 | 1991-06-25 | Rca Licensing Corporation | Motion detection apparatus as for an interlace to non-interlace scan converter |
US5081532A (en) * | 1990-08-30 | 1992-01-14 | Zenith Electronics Corporation | Adaptive progressive scan converter |
JP3271143B2 (ja) * | 1990-10-22 | 2002-04-02 | ソニー株式会社 | 映像信号処理回路 |
US5175619A (en) * | 1990-11-26 | 1992-12-29 | Thomson Consumer Electronics, Inc. | Progressive scan television system using luminance low frequencies from previous field |
-
1993
- 1993-06-15 DE DE69318216T patent/DE69318216T2/de not_active Expired - Lifetime
- 1993-06-22 US US08/081,414 patent/US5444493A/en not_active Expired - Lifetime
- 1993-06-22 JP JP5150218A patent/JPH0698298A/ja active Pending
- 1993-06-22 CN CN93107447A patent/CN1036236C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69318216T2 (de) | 1998-08-27 |
CN1036236C (zh) | 1997-10-22 |
DE69318216D1 (de) | 1998-06-04 |
US5444493A (en) | 1995-08-22 |
CN1081050A (zh) | 1994-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040331 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20040628 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20040705 |
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A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040930 |
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A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050323 |